Optical absorption of graphite and single-wall carbon nanotubes |
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| Authors: | R.?Saito mailto:rsaito@flex.phys.tohoku.ac.jp" title=" rsaito@flex.phys.tohoku.ac.jp" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,A.?Grüneis,G.G.?Samsonidze,G.?Dresselhaus,M.S.?Dresselhaus,A.?Jorio,L.G.?Can?ado,M.A.?Pimenta,A.G.?Souza Filho |
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| Affiliation: | (1) Department of Physics, Tohoku University and CREST JST, 980-8578 Aoba Sendai, Japan;(2) Massachusetts Institute of Technology, 02139-4307 Cambridge, MA, USA;(3) Departamento de Física, Universidade Federal de Minas Gerais,, Caixa Postal 702, 30123-970 Belo Horizonte, MG, Brazil;(4) Departamento de Física, Universidade Federal do Ceará, 60455-900 Fortaleza, CE, Brazil |
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| Abstract: | ![]()
A review of the electronic dipole transitions in graphite and single-wall carbon nanotubes is presented. Because of its singular electronic structure, the optical absorption matrix element as a function of wave vector has a node in the two-dimensional Brillouin zone of graphite, which depends linearly on the optical polarization direction. In the case of the single-wall carbon nanotubes, the dipole selection rule and the van Hove singularity in the joint density of states will give a characteristic behavior, which is observed by luminescence and resonance Raman spectroscopy. PACS 78.30.Na; 78.20.Bh; 78.66.Tr; 63.22.+m; 36.20.Kd; 36.20.Ng |
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